Lesson 1.1: Introduction to Chemistry
Chemistry is the study of matter, its properties, and how substances interact.
Example: "Mixing baking soda and vinegar creates carbon dioxide gas."
Quiz: What does chemistry study?
How to get the right answer:
Think about how chemistry explains everything from water boiling to how our bodies digest food!
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Lesson 1.2: Structure of the Atom
Atoms are made of protons, neutrons, and electrons.
Example: "A helium atom has 2 protons, 2 neutrons, and 2 electrons."
Quiz: What particle carries a positive charge?
How to get the right answer:
Remember: Protons are positive, electrons are negative, and neutrons are neutral!
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Lesson 1.3: The Periodic Table
The periodic table organizes elements by atomic number and properties.
Example: "Oxygen (O) is in Group 16 and is essential for life."
Quiz: What does the atomic number represent?
How to get the right answer:
Think about how each element has a unique number of protons (e.g., hydrogen = 1, carbon = 6)!
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